uhi22
commented
1 month ago As first step, added the hardcoded offset. Next steps:
- make the offset parametrizable
- calculate and measure the values of offset and gain for the muehlpower board
- add the parameters to the wiki
The analog input for measuring the inlet voltage is usually driven by an isolated voltage conversion board (e.g. muehlpower board), which has an output voltage >0 in case of zero inlet voltage. (typical the 4mA to 20mA for full range) But the software just calculates Param::SetFloat(Param::InletVoltage, AnaIn::udc.Get() / Param::GetFloat(Param::UdcDivider)); which does not consider the offset.
Discussed here: https://openinverter.org/forum/viewtopic.php?p=72086#p72086
Todo: add the offset, either as parameter or even fixed to the existing, LIM compatible boards.